Neonatal outcomes at delivery for the exercise- and the control group.

Continuous data is presented as mean and standard deviation (SD) with comparison between groups as mean difference with 95% confidence interval (CI) and p-value. Dichotomous data is presented as number (n) and percent (%) and comparison between groups as odds ratio (OR), with 95% CI and p-value.连续性资料以均数与标准差（Standard Deviation，SD）呈现，组间比较采用均数差结合95%置信区间（Confidence Interval，CI）与P值进行报告。二分类资料以例数（n）与百分率（%）呈现，组间比较采用比值比（Odds Ratio，OR）结合95%置信区间与P值进行报告。